Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: qual é o valor mínimo de 180 segundos
 ###Tabelas: CREATE TABLE women's_statistics (women's_statistics_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Played INT, Sets Won INT, Sets Lost INT, Legs Won INT, Legs Lost INT, 100+ INT, 140+ INT, 180s INT, High Checkout INT, 3-dart Average VARCHAR) CREATE TABLE cities_formerly_over_100000_people (cities_formerly_over_100000_people_id AUTO_INCREMENT PRIMARY KEY, City VARCHAR, State VARCHAR, 2010 population VARCHAR, Peak population (year) VARCHAR, Numeric decline from peak population VARCHAR, Percent decline from peak population VARCHAR) CREATE TABLE singles:_11_8–3 (singles:_11_8–3_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent VARCHAR, Score VARCHAR) CREATE TABLE dunedin_city (dunedin_city_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Gender VARCHAR, Area VARCHAR, Authority VARCHAR, Decile INT, Roll INT) CREATE TABLE provinces_of_joseon (provinces_of_joseon_id AUTO_INCREMENT PRIMARY KEY, RR Romaja VARCHAR, M–R Romaja VARCHAR, Hangul VARCHAR, Hanja VARCHAR, Name origin VARCHAR, Capital VARCHAR, Region VARCHAR, Korean dialect VARCHAR, Post-1896 Provinces VARCHAR)  
SELECT MIN 180s FROM women's_statistics